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Sard
Sard

Precious Opal
Precious Opal



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Sard
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Precious Opal

Sard Vs Precious Opal

Astrology

Origin

Southern and central Africa
Australia

Color

White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, Green, Blue

Streak

-
-

For which Rashi?

-
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

-
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.58-2.631.98-2.25
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

None
None

Mohs Hardness

6.5-75-6.5
2 10
👆🏻

Chemical Composition

SiO 2Ulrich Henn and Claudio C.
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Optical Properties

Luster

Waxy
-

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.535-1.5391.370-1.470
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.008-0.010-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Strength
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Protection
Creativity

Sard Vs Precious Opal Fracture

Fracture is an important parameter when you compare Sard and Precious Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Sard Vs Precious Opal fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Sard is Conchoidal. Precious Opal fracture is Conchoidal.

Sard Vs Precious Opal Luster

A primary knowledge about Sard vs Precious Opal luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Sard exhibits Waxy luster.